Synonym Nuance VS
How to say "Boil" in Japanese
Both words can translate to "boil", but which should you choose?
Japanese Option A
沸く
わく (waku)
N4 / CEFR Syllabus
VS
Japanese Option B
煮る
にる (niru)
N3 / CEFR Syllabus
Nuance Contrast & Translation Difference
When translating "boil" into Japanese, you must choose carefully between 沸く and 煮る.
In Japanese, 沸く (わく (waku)) is typically associated with "to boil (intransitive), to get excited, to spring up (water)" (Syllabus Level: N4) and represents Intransitive verb. Used for water boiling by itself.
On the other hand, 煮る (にる (niru)) maps to "to boil; to simmer; to cook (in liquid)" (Syllabus Level: N3) and represents Used when cooking food in liquid over heat, such as making stew or soup. 「煮込み料理」. A literal translation of "boil" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "沸く"
お風呂のお湯が沸いたら教えてください。
Please let me know when the bath water boils.
Bilingual Context for "煮る"
彼女は野菜を煮てスープを作った。
She boiled the vegetables and made soup.
Nuance Mastery Quiz
Which Japanese word perfectly fits this blank space?
Fill in the blank: "お風呂のお湯が沸いたら教えてください。" (Meaning: "Please let me know when the bath water boils.")
🎉 Correct Answer!
Remember: "沸く" fits here because it means "to boil (intransitive), to get excited, to spring up (water)" in the context of: "Please let me know when the bath water boils.". "煮る" represents "to boil; to simmer; to cook (in liquid)".